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  1. 28 Jul, 2010 23 commits
  3. 27 Jul, 2010 17 commits
    • pt.c (tsubst_expr): Handle getting an AGGR_INIT_EXPR from build_value_init. · 462aa169 
      	* pt.c (tsubst_expr) [DECL_EXPR]: Handle getting an AGGR_INIT_EXPR
	from build_value_init.
	* init.c (build_value_init_noctor): Give error for unknown array
	bound.

From-SVN: r162603
      Jason Merrill committed
    • rtl.def (DEBUG_INSN, [...]): Swap operands 4 and 5. · 418e920f 
      	* rtl.def (DEBUG_INSN, INSN, JUMP_INSN, CALL_INSN, NOTE): Swap operands
	4 and 5.
	* rtl.h (PATTERN, INSN_LOCATOR, NOTE_DATA, NOTE_DELETED_LABEL_NAME,
	NOTE_BLOCK, NOTE_EH_HANDLER, NOTE_BASIC_BLOCK, NOTE_VAR_LOCATION,
	NOTE_KIND, LABEL_NUSES, LABEL_REFS): Adjust accordingly.
	* gengtype.c (adjust_field_rtx_def): Swap operands 4 and 5 of
	CODE_LABELs and NOTEs.
	* caller-save.c (init_caller_save): Fix up gen_rtx_INSN call.
	* combine.c (try_combine): Likewise.
	* ira.c (setup_prohibited_mode_move_regs): Likewise.
	* print-rtl.c (print_rtx): Start REG_NOTES on a new line.

From-SVN: r162602
      Bernd Schmidt committed
    • coretypes.h (struct cl_option_handlers): Declare. · 5f20c657 
      	* coretypes.h (struct cl_option_handlers): Declare.
	* hooks.c (hook_int_size_t_constcharptr_int_0): Remove.
	* hooks.h (hook_int_size_t_constcharptr_int_0): Remove.
	* langhooks-def.h (lhd_handle_option): Declare.
	(LANG_HOOKS_HANDLE_OPTION): Use lhd_handle_option.
	* langhooks.c (lhd_handle_option): New.
	* langhooks.h (struct lang_hooks): Update prototype and return
	value type of handle_option hook.
	* optc-gen.awk: Generate target_flags_explicit definition for the
	driver.
	* opts-common.c: Include diagnostic.h.
	(handle_option): Move from opts.c.  Update prototype and return
	value type.  Use handlers structure.
	(read_cmdline_option): Move from opts.c.  Update prototype.  Use
	handlers structure.
	(set_option): Move from opts.c.
	* opts.c (common_handle_option): Update prototype and return value
	type.  Update calls to handle_option and enable_warning_as_error.
	(unknown_option_callback, post_handling_callback,
	lang_handle_option, target_handle_option): New.
	(handle_option, read_cmdline_option): Move to opts-common.c.
	(read_cmdline_options): Update prototype.  Update call to
	read_cmdline_option.
	(decode_options): Initialize and use handlers structure.
	(set_option): Move to opts-common.c.
	(enable_warning_as_error): Update prototype.  Update call to
	handle_option.
	* opts.h (struct cl_option_handler_func, struct
	cl_option_handlers): New.
	(handle_option, enable_warning_as_error): Update prototypes.
	(read_cmdline_option): Declare.
	* Makefile.in (opts-common.o): Update dependencies.

ada:
	* gcc-interface/misc.c (gnat_handle_option): Update prototype and
	return value type.  Don't check for missing arguments here.

c-family:
	* c-common.h (c_common_handle_option): Update prototype and return
	value type.
	* c-opts.c (c_common_handle_option): Update prototype and return
	value type.  Update calls to handle_option and
	enable_warning_as_error.

fortran:
	* gfortran.h (gfc_handle_option): Update prototype and return
	value type.
	* options.c (gfc_handle_option): Update prototype and return value
	type.

java:
	* lang.c (java_handle_option): Update prototype and return value
	type.

lto:
	* lto-lang.c (lto_handle_option): Update prototype and return
	value type.  Remove duplicate assignment to result.

From-SVN: r162601
      Joseph Myers committed
    • re PR rtl-optimization/40956 (Constants are never candidates for hoisting) · 689d6c4a 
      	PR rtl-optimization/40956
	PR target/42495
	PR middle-end/42574
	* gcc.target/arm/pr40956.c, gcc.target/arm/pr42495.c,
	* gcc.target/arm/pr42574.c: Add tests.

From-SVN: r162600
      Maxim Kuvyrkov committed
    • arm.c (params.h): Include. · ec3728ad 
      	* config/arm/arm.c (params.h): Include.
	(arm_override_options): Tune gcse-unrestricted-cost.
	* config/arm/t-arm (arm.o): Define dependencies.

From-SVN: r162598
      Maxim Kuvyrkov committed
    • re PR target/42495 (redundant memory load) · cad9aa15 
      	PR target/42495
	PR middle-end/42574
	* basic-block.h (get_dominated_to_depth): Declare.
	* dominance.c (get_dominated_to_depth): New function, use
	get_all_dominated_blocks as a base.
	(get_all_dominated_blocks): Use get_dominated_to_depth.

	* gcse.c (occr_t, VEC (occr_t, heap)): Define.
	(hoist_exprs): Remove.
	(alloc_code_hoist_mem, free_code_hoist_mem): Update.
	(compute_code_hoist_vbeinout): Add debug print outs.
	(hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.

	* params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
	quadratic behavior.
	* params.h (MAX_HOIST_DEPTH): New macro.
	* doc/invoke.texi (max-hoist-depth): Document.

From-SVN: r162597
      Maxim Kuvyrkov committed
    • re PR rtl-optimization/40956 (Constants are never candidates for hoisting) · 9b9ee6d3 
      	PR rtl-optimization/40956
	* config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
	constants.

From-SVN: r162596
      Maxim Kuvyrkov committed
    • re PR target/42495 (redundant memory load) · d37c3c62 
      	PR target/42495
	PR middle-end/42574
	* config/arm/arm.c (legitimize_pic_address): Use
	gen_calculate_pic_address pattern to emit calculation of PIC address.
	(will_be_in_index_register): New function.
	(arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
	(thumb1_legitimate_address_p): Use it provided !strict_p.
	* config/arm/arm.md (calculate_pic_address): New expand and split.

From-SVN: r162595
      Maxim Kuvyrkov committed
    • re PR target/42495 (redundant memory load) · 3393e880 
      	PR target/42495
	PR middle-end/42574
	* config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
	* config/arm/arm.md (define_split "J", define_split "K"): Make
	IRA/reload friendly.

From-SVN: r162594
      Maxim Kuvyrkov committed
    • gcse.c (insert_insn_end_basic_block): Update signature, remove unused checks. · eae7938e 
      	* gcse.c (insert_insn_end_basic_block): Update signature, remove
	unused checks.
	(pre_edge_insert, hoist_code): Update.

From-SVN: r162593
      Maxim Kuvyrkov committed
    • re PR target/42495 (redundant memory load) · c7c910ce 
      	PR target/42495
	PR middle-end/42574
	* gcse.c (hoist_expr_reaches_here_p): Remove excessive check.

From-SVN: r162592
      Maxim Kuvyrkov committed
    • * gcse.c (hoist_code): Generate new pseudo for every new set insn. · 3d489bc7 
      From-SVN: r162591
      Maxim Kuvyrkov committed
    • re PR rtl-optimization/40956 (Constants are never candidates for hoisting) · ce4c0015 
      	PR rtl-optimization/40956
	PR target/42495
	PR middle-end/42574
	* gcse.c (compute_code_hoist_vbeinout): Consider more expressions
	for hoisting.
	(hoist_code): Count occurences in current block too.

From-SVN: r162590
      Maxim Kuvyrkov committed
    • gcse.c (struct expr:max_distance): New field. · 20160347 
      	* gcse.c (struct expr:max_distance): New field.
	(doing_code_hoisting_p): New static variable.
	(want_to_gcse_p): Change signature.  Allow constrained hoisting of
	simple expressions, don't change behavior for PRE.  Set max_distance.
	(insert_expr_in_table): Set new max_distance field.
	(hash_scan_set): Update.
	(hoist_expr_reaches_here_p): Stop search after max_distance
	instructions.
	(find_occr_in_bb): New static function.  Use it in ...
	(hoist_code): Calculate sizes of basic block before any changes are
	done.  Pass max_distance to hoist_expr_reaches_here_p.
	(one_code_hoisting_pass): Set doing_code_hoisting_p.

	* params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
	(PARAM_GCSE_UNRESTRICTED_COST): New parameters.
	* params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
	macros.
	* doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
	Document.

From-SVN: r162589
      Maxim Kuvyrkov committed
    • gcse.c (compute_transpout, transpout): Remove, move logic to prune_expressions. · 9b774782 
      	* gcse.c (compute_transpout, transpout): Remove, move logic
	to prune_expressions.
	(compute_pre_data): Move pruning of trapping expressions ...
	(prune_expressions): ... here.  New static function.
	(compute_code_hoist_data): Use it.
	(alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.

Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>

From-SVN: r162588
      Jeff Law committed
    • adjusting iv update stmt position to enable inst combining. Regression tested on x86-64/linux · 55791fcd 
      From-SVN: r162587
      Xinliang David Li committed
    • dbgcnt.def (hoist_insn): New debug counter. · 62a3f636 
      	* dbgcnt.def (hoist_insn): New debug counter.
	* gcse.c (hoist_code): Use it.

From-SVN: r162586
      Maxim Kuvyrkov committed